Door-stop mechanism.



W. K. HENRY.

DOOR STOP MECHANISM.

APPLIGATION FILED NOV. 14, 1912.

1,056,990. Patented Mar. 25, 1913.

2 SHEETS-SHEET 1.

Fig.2. ///2/ W. K. HENRY.

' DOOR STOP MECHANISM.

APPLICATION FILED NOV. 14, 1912.

1,056,990. Patented Mar.25,1913. E 5.

40 I f n 49 q 1 5 6M 11w S walls or this recessbi f et-L 18, s ii ovit edi tendi ng inwardly fro hi1- nQ-Ipcess 1-9 vex- ;,i,t i...6\ te1 edge, t e I preferably straight artist-right ngleSL'toitSPbaSeand formi g eeno t t e bfi dtsgfe flt a j 21 which nlnke itposslble ton-use the Stop doors; ,as. will be. moreelenrly seen lsit eri 511ml its abutment icarryingoollarare sta= it will be'zobvions that-the closer'jchamber tionery relatively to the 'pivotedlever arm 3 which moves relatively threto upon-dire open-ing and'olosing-ofithe door." It will'he 1o follows: Upon the opening movement ofthe do'or, the pawl '14 will ride freely over the 0i$et 18 should the door he opened beyond that point, and in the normal operation of the door vhen it 15 not desired to hold it open, the doorwill elos'e freelv the pawl. 14" riding freely over the offset ,18 from the opposite side. W'henyhoiveveri it is desired to hold the door opened-,the door is moved to bring the end of the pawl menr her in the recess 19 of the offset 18. v The tendency of theeloser"mechanism will then more the lever arm 3. to bring one beveled edge of the pawl H {lH-lllShtfllQ of the stop' .sln'mlders or ahntments, as 20in Fig. 3

of the drawings, Tthe other beveled edge resting upon. the base of the recess. In this posit-ion the. stop shoulder 20 aided by the spring ll, offers it snflie'ient resistance to prevent a further closing of the door under the influence. of the closer mechanism alone. If extra pressure is applied to the door 2 in a direction to close the same, as by the occupunt of a oom'pnrti'nent pulling the door inward'ly, the .beveled end of the pawl 14 pressing against the stop-shoulder :20 will; move the stud 12 npwn'rdlyngainst the pressure of the'lenf 5 )ring 11, reisin'g' said spring (see Fig. l.) so that the beveled end' of .(he'; pawl is moved out of contact tlierowith, the Closer ineehnnisininonq'gieting to more the (loortoclosed position. It will be seen from the f oregoing 'that by varying the position of the offset 18 on thechambei 6 of the. closer mechanism,the-point at which the door is held opened may be var.

ried at will. Theopp.osi,te stop shoulder 21 is provided in order that thestop meclmr nisn maybe used with doors opposi-teli hinged to those'whose operation causes the beveled end of the pawl member to engage the stop shoulder 20; in other vords 'it'eii f ried by said'pivoted partlnivingn-stu evtmg from its free end, an abutment, en.

sides the stop meehanism to inn-died;

without structuralehange, lo hoth right and left hand doors. The operation of the shoulder or abntmentengagi'ng pawl memher is similar in each While I have describedend illustrated herein a, specific embodiment of my device-,fii

desire it understood that various strneturei' changes are possible within tl' espirit or; the invention and the scope. .of, therappended claims. e Y

What I claim, therefore,

eure by Letters Patent is:

and desire to 5e 1. In a door stop mechanism astetiomirgv part provided with -a 'portit n'- grooved to form two opposite abutmentshoujldrs, a

pivoted part movable relative toQsaid-stationar'y. port and its abutment shoulders, an

abutment engaging member pivotallv carried by said relatively movable pivoted 'part and riding freely over said abutment shouldders bnt adapted to be engaged with tip ed.

siteshoulders toprevent relative movement of saidpivoted art in opposeddirections, and e yielding support'for one of said cooperating abutmentparts.

2. In a'door stop mechanism, a stationary I tion grooved to for n't .\voi opposite a nt-. ment shoulders, a pivoted port movable.- rel-1 ative to said stationary -part end in abut-- merit shonlders,-Lan' abutment engaging memberpi v'otally carried.- hy- Snid 'nelnti vly .movable pivoted portend ridin freely oversaid abutmentshoulders bu't 'a opted to be engaged with oppositeshoulder's to prevent part, a member deta'chably 'and edjlistably." i

secured thereon andhaving an oifset or relative movement of seidpivotedpflrt in V opposed directions, and a yielding pivot mounting for-said ahntine'nt ei'igag ing' member.

3. In a door stop .ineohenislm stationery part, a member detachahly' nd adjnstabl'y;

secured thereon and providdjvitha later;v

,ally offset portion lniving a ,groove therein: vforming therewith oppos te and '.c0n1p le mental abutment shoulders, a, pivoted part movable relative to 'said stationery port and I Said abutment; shoulders; it lea-f springt cqrpro;

gaging nn-i'nberpivotally carried by -s aidstud and riding-"freely oversold abutment shoulders hut. fldepted to emerge wi'mopp site abutment shoulders to 'prev' p ment of saidpivotedparfgin opp tions. i 1 1- 4. In a door stop mechanism, part provided with nlportion' giooved to provide a base and ftwo"o pposi tgabutinent slu nxlders at right jungles to. sei d bi ise a pivoted part movablejrelative to, seid-. sjta,t1onary' part and its abutmentshonlderstgjdog pivot l y carried y sai l i yin Treb v f'stntion ary 'oted part, hzivi'ng a V-shspod provid- 1: 3C

ing beveled edges substantially at right angles to each other, said (10;; riding freely over 1 posed directione, and ayielding support for l sand abutment shoulders, but b'emg adapted one of mid coiiperating abutment parts.

7 y WILLIAM K. HENRY. to engage 1t free end \vlth billd base and an abutment shoulder 1n opposlte (hrectlons 0t movement of sand plvoted part to prevent relanve movement ef, :ud par 111 such op- Witnesses:

WILLIAM V. COLLINS. Nuwrm: G. CURTIS. 

